A researcher wanted to know whether students who do not plan to take a tutor score better on the SAT 1 math test than those who do plan to take a tutor. she obtains a random sample of 34 students who do not plan to take a tutor and a random sample of 38 students who do plan to take a tutor and obtains the following results.

A). test the claim that students who do not plan to take a tutor score higher on the SAT math 1 exam than students who do plan to take a tutor at =0.01 level of significance B). Construct a 98% confidence interval about1- 2 and interpret

do not plan take a tutor	plan to take a tutor
n1=34	n2=38
x1=550	x2=500
s1=120	s2=118